Home / 1,831.14-2,733.39-1,695.78

Finding the Fourth Proportional to 1,831.14, 2,733.39 and 1,695.78

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Solution

The fourth proportional to 1,831.14, 2,733.39 and 1,695.78 is: 2,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.14 : 2,733.39 = 1,695.78 : x
  2. Step 2: Convert to fraction form
    1,831.14/2,733.39 = 1,695.78/x
  3. Step 3: Cross multiply
    1,831.14x = 2,733.39 × 1,695.78
  4. Step 4: Simplify right side
    1,831.14x = 4,635,228.09
  5. Step 5: Solve for x
    x = 4,635,228.09/1,831.14
  6. Step 6: Final answer
    x = 2,531.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.